Adds the new URLRequest::OnBeforeNetworkStart hook to the

content/browser/loader/resource_loader_unittest.cc

Index: content/browser/loader/resource_loader_unittest.cc
diff --git a/content/browser/loader/resource_loader_unittest.cc b/content/browser/loader/resource_loader_unittest.cc
index a44a48fc08d22030a3dff49ee6cc9cbabe894d1d..d82092f8fcb274989d1fb2bb701ede01eee3b379 100644
--- a/content/browser/loader/resource_loader_unittest.cc
+++ b/content/browser/loader/resource_loader_unittest.cc
@@ -94,6 +94,12 @@ class ResourceHandlerStub : public ResourceHandler {
     return true;
   }
 
+  virtual bool OnBeforeNetworkStart(int request_id,
+                                    const GURL& url,
+                                    bool* defer) OVERRIDE {
+    return true;
+  }
+
   virtual bool OnWillRead(int request_id,
                           scoped_refptr<net::IOBuffer>* buf,
                           int* buf_size,